CN217384700U - Shaft clamp and vibrating table with same and suitable for shaft test piece - Google Patents
Shaft clamp and vibrating table with same and suitable for shaft test piece Download PDFInfo
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- CN217384700U CN217384700U CN202221104256.3U CN202221104256U CN217384700U CN 217384700 U CN217384700 U CN 217384700U CN 202221104256 U CN202221104256 U CN 202221104256U CN 217384700 U CN217384700 U CN 217384700U
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- shaft
- arc
- transfer line
- push rod
- mount pad
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Abstract
The utility model provides an axle clamp and have its shaking table that is applicable to axle type test piece, axle clamp includes the mount pad, sets up in actuating mechanism on the mount pad, the symmetry is provided with two sets of centre gripping subassemblies on the mount pad, the centre gripping subassembly includes transfer line and arc clamp splice, be provided with first pivot on the transfer line, the transfer line is rotationally fixed on the mount pad through first pivot, the upper end of transfer line is articulated with the arc clamp splice, two the opening of arc clamp splice is relative, actuating mechanism drive transfer line rotates, then drives the swing of arc clamp splice, realizes approaching to and keeping away from of two arc clamp splices; the utility model discloses a motion that actuating mechanism drove the transfer line realizes loosening or pressing from both sides tightly of arc clamp splice then, and degree of automation is high, can carry out the vibration test to the axle type test piece of different diameters and length, and the commonality is strong, and the installation is dismantled conveniently, saves experimental cost, shortens experimental period, improves efficiency of software testing.
Description
Technical Field
The utility model relates to a vibration test platform technical field, concretely relates to for axle anchor clamps and have its shaking table that is applicable to axle type test piece.
Background
The vibration test bed is used for simulating the vibration resistance, reliability and integrity of a test piece structure, can simulate various vibration mechanical environments, and is widely used for various typical vibrations of automobile parts, electronic components, aerospace products and the like.
The shaft test pieces are produced in a large number, and the shaft test pieces are large enough to be used in aerospace crafts, missiles in the military field and small enough to be used in transmission shafts of automobile gearboxes, and need to work effectively in a severe environment, so that the reliability of the products is particularly important. These products all contain similar products of multiple model, and all need to accomplish the vibration test experiment and verify the reliability of product, so a reliable testing arrangement can improve efficiency, can practice thrift the cost again. At present, the test fixture of most axle type test pieces adopts the staple bolt form basically, perhaps semi-circular dismantlement embraces the clamp form, and the structure is simple, but hoist and mount are dismantled inconveniently, and it is not strong to be suitable for the product commonality, meets the not unidimensional test piece of the same type, needs redesign installation one set, and efficiency is slow, can't satisfy the demand of market to the vibration test of axle type test piece.
Disclosure of Invention
An object of the utility model is to provide an axle is with anchor clamps and have its shaking table that is applicable to axle type test piece to solve above-mentioned problem.
The utility model discloses the technical scheme who adopts does:
the utility model provides an axle is with anchor clamps, include the mount pad, set up in actuating mechanism on the mount pad, the symmetry is provided with two sets of centre gripping subassemblies on the mount pad, the centre gripping subassembly includes transfer line and arc clamp splice, be provided with first pivot on the transfer line, the transfer line rotationally fixes on the mount pad through first pivot, the upper end and the arc clamp splice of transfer line are articulated, two the opening of arc clamp splice is relative, actuating mechanism drive transfer line rotates, drives the swing of arc clamp splice then, realizes being close to and keeping away from of two arc clamp splices.
As a further improved technical scheme of the utility model, actuating mechanism is the cylinder.
As the utility model discloses further modified technical scheme, the mount pad includes mutually perpendicular's horizontal mount pad and vertical mount pad, vertical mount pad is used for fixed first pivot.
As the utility model discloses further modified technical scheme, the centre gripping subassembly still includes the push rod, the upper end of the piston rod of cylinder is fixed and drives the push rod up-and-down motion with the middle part of push rod, the push rod rotates with the lower extreme of two transfer lines respectively and is connected.
As a further improved technical scheme of the utility model, the push rod includes the push rod main part that the level set up and certainly the both ends downwardly extending's of push rod main part push rod landing leg, the lower extreme of transfer line is provided with the second pivot, the push rod landing leg passes through the second pivot and is connected with the transfer line.
As the utility model discloses further modified technical scheme, be fixed with the hinge on the excircle of arc clamp splice, the upper end of transfer line is provided with the third pivot, the hinge rotates with the transfer line through the third pivot to be connected.
As a further improved technical scheme of the utility model, the interior disc of arc clamp splice is provided with the arc gasket.
As a further improved technical scheme of the utility model, the arc gasket adopts the copper to make.
The utility model provides a shaking table suitable for axle type test piece, includes vibration exciter, extension mesa and sets up above on the extension mesa anchor clamps for the axle.
As the utility model discloses further modified technical scheme, the anchor clamps for the axle have two at least, be provided with a plurality of mounting holes on the extension mesa, the mounting hole is used for being connected with horizontal mount pad and adjusts the distance between the anchor clamps for the disalignment.
The utility model discloses the beneficial effect who has does:
the motion that drives the transfer line through actuating mechanism realizes loosening or pressing from both sides tight of arc clamp splice then, and degree of automation is high, can carry out vibration test to the axle type test piece of different diameters and length, and the commonality is strong, and the installation is dismantled conveniently, saves testing cost, shortens test cycle, improves efficiency of software testing.
Drawings
FIG. 1 is a schematic view of a shaft clamp;
FIG. 2 is an exploded view of the shaft clamp;
FIG. 3 is a schematic structural view of the clamping mechanism;
fig. 4 is a schematic structural diagram of a vibration table suitable for a shaft-type test piece.
Wherein: 1-transverse mounting seat, 2-longitudinal mounting seat, 3-air cylinder, 4-air pipe joint, 5-piston rod, 6-push rod, 7-transmission rod, 8-first rotating shaft, 9-second rotating shaft, 10-third rotating shaft, 11-hinge, 12-arc clamping block, 13-arc gasket, 14-vibration exciter, 15-expansion table board, 16-mounting hole and 17-shaft test piece.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
If the present invention is described with reference to orientations (e.g., up, down, left, right, front, back, outer, inner, etc.), the orientation involved needs to be defined, e.g., "to clearly convey the position and orientation described in the present invention, with reference to the operator of the instrument, the end near the operator is the proximal end, and the end away from the operator is the distal end. "or defined with reference to the paper, etc. Of course, if the positional relationship between the two is defined by cross-reference at the time of the subsequent description, it may not be defined here.
"upper", "lower", "left", "right" in the present invention refers to "upper", "lower", "left", "right" labeled in fig. 1, fig. 2, fig. 3.
As shown in fig. 1 and 2, the shaft fixture comprises a mounting seat and a driving mechanism arranged on the mounting seat, wherein the mounting seat comprises a transverse mounting seat 1 and a longitudinal mounting seat 2 which are perpendicular to each other, the transverse mounting seat 1 is fixed with an expansion table top 15, two groups of clamping assemblies are symmetrically arranged on the mounting seat, and the driving mechanism drives the clamping assemblies to move.
The driving mechanism is a cylinder 3, the cylinder 3 is fixed on the transverse mounting base 1, a piston rod 5 which moves in a reciprocating mode is arranged in the cylinder 3, a gas pipe connector 4 is connected to the cylinder 3, and the gas pipe connector 4 is connected with an external gas source to achieve movement of the piston rod 5.
The clamping assembly comprises a transmission rod 7 and an arc-shaped clamping block 12, a first rotating shaft 8 is arranged on the transmission rod 7, the transmission rod 7 is rotatably fixed on the longitudinal mounting base 2 through the first rotating shaft 8, and the transmission rod 7 rotates by taking the first rotating shaft 8 as a center.
The upper end of the transmission rod 7 is hinged to the arc-shaped clamping blocks 12, the openings of the arc-shaped clamping blocks 12 are opposite, the driving mechanism drives the transmission rod 7 to rotate, then the arc-shaped clamping blocks 12 are driven to swing, the two arc-shaped clamping blocks 12 are close to and far away from each other, and accordingly the shaft test piece 17 is loosened and clamped.
The clamping assembly further comprises a push rod 6 which is horizontally arranged, the upper end of the piston rod 5 is fixed with the middle of the push rod 6 and drives the push rod 6 to move up and down, and two ends of the push rod 6 are respectively connected with the lower ends of the two transmission rods 7 in a rotating mode.
In this embodiment, the push rod 6 includes the push rod main part and certainly the both ends downwardly extending's of push rod main part push rod landing leg, the push rod main part is kept away from to the end of push rod landing leg, the lower extreme of transfer line 7 is provided with second pivot 9, the push rod landing leg is connected with transfer line 7 through second pivot 9, with this saving the shared space of anchor clamps for the axle to reduce its focus, make overall structure more firm.
The hinge 11 is fixed on the excircle of the arc-shaped clamping block 12, and when the transmission shaft drives the hinge 11 to rotate, the hinge 11 also drives the arc-shaped clamping block 12 to move together. The size of the inner circle of the hinge 11 is matched with the size of the outer circle of the arc-shaped clamping block 12, and the size of the inner circle of the arc-shaped clamping block 12 is matched with the size of the shaft test piece 17 to be tested. The upper end of the transmission rod 7 is provided with a third rotating shaft 10, and the hinge 11 is rotatably connected with the transmission rod 7 through the third rotating shaft 10.
As shown in fig. 3, the inner circle of the arc-shaped clamping block 12 is provided with an arc-shaped gasket 13 to protect the shaft test piece 17 clamped therein, and the arc-shaped clamping block 12 may be coaxial with the arc-shaped gasket 13 for convenience of processing and management. The arc-shaped gasket 13 can be welded on the arc-shaped clamping block and is installed on the hinge 11 together. In this embodiment, the arc-shaped pads 13 are made of copper, which is soft and can protect the surface of the shaft test piece 17 from being damaged, and materials with other textures such as rubber can be used.
The size of the inner circle of the arc-shaped gasket 13 is matched with the size of the shaft test piece 17 to be tested.
The working principle of the shaft clamp is as follows:
the external air source and external control device control the piston rod 5 of the air cylinder 3 to move up and down, the piston rod 5 drives the push rod 6 to move up and down, the push rod supporting legs drive the lower end of the transmission rod 7 to rotate around the second rotating shaft 9, the first rotating shaft 8 is fixed on the longitudinal installation seat 2, the transmission rod 7 rotates based on the first rotating shaft 8, so that the upper end of the transmission rod 7 rotates, the hinge 11 is connected with the upper end of the transmission rod 7 through the third rotating shaft 10, the transmission rod 7 drives the hinge 11 to swing, the hinge 11 drives the arc-shaped clamping block 12 fixed on the hinge 11 to swing, and accordingly the shaft type test piece 17 is loosened and clamped.
Specifically, when the piston rod 5 moves upward, the push rod 6 also moves upward, taking the right transmission rod 7 as an example, the lower end of the transmission rod 7 rotates leftward, the upper end of the transmission rod 7 rotates rightward, the arc-shaped clamping blocks 12 swing rightward, and similarly, the left arc-shaped clamping blocks 12 swing leftward, the distance between the two arc-shaped clamping blocks 12 increases, and the shaft-type test piece 17 can be taken out or put in at this time.
When the piston rod 5 moves downwards, the push rod 6 also moves downwards, taking the right transmission rod 7 as an example, the lower end of the transmission rod 7 rotates rightwards, the upper end of the transmission rod 7 rotates leftwards, the arc-shaped clamping blocks 12 swing leftwards, and similarly, the left arc-shaped clamping blocks 12 swing rightwards, and the distance between the two arc-shaped clamping blocks 12 is reduced until the shaft test piece 17 is clamped.
As shown in fig. 4, the utility model also provides a shaking table suitable for axle type test piece, including vibration exciter 14, extension mesa 15 and set up in the above on extension mesa 15 the axle with anchor clamps.
The extension mesa 15 is last to be provided with 2 at least for the axle anchor clamps, and its respective arc clamp splice 12 axis coincidence when pressing from both sides tightly, be provided with a plurality of mounting holes 16 on the extension mesa 15, mounting hole 16 has been used for fixed horizontal mount pad 1 except, can also be through with the distance between the fixed adjustment different for the axle anchor clamps of the anchor clamps for the axle and the mounting hole 16 of different intervals.
For shaft test pieces 17 with different diameters, the arc-shaped clamping blocks 12 and the arc-shaped gaskets 13 with various sizes can be customized, and when the shaft test pieces are used, the shaft test pieces 17 are matched and replaced according to the specific sizes of the shaft test pieces 17.
For the shaft test pieces 17 with different lengths, the shaft clamps can be mounted on the mounting holes 16 at different positions of the expansion table top 15, so that the distance between the shaft clamps can be adjusted to adapt to the shaft test pieces 17 with different lengths.
The utility model discloses a motion that actuating mechanism drove transfer line 7 realizes loosening or pressing from both sides tightly of arc clamp splice 12 then, and degree of automation is high, can carry out the vibration test to the axle type test piece 17 of different diameters and length, and the commonality is strong, and the installation is dismantled conveniently, saves experimental cost, shortens test cycle, improves efficiency of software testing.
It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides an axle is with anchor clamps which characterized in that:
including the mount pad, set up in actuating mechanism on the mount pad, the symmetry is provided with two sets of centre gripping subassemblies on the mount pad, the centre gripping subassembly includes transfer line (7) and arc clamp splice (12), be provided with first pivot (8) on transfer line (7), transfer line (7) rotationally fix on the mount pad through first pivot (8), the upper end and the arc clamp splice (12) of transfer line (7) are articulated, two the opening of arc clamp splice (12) is relative, actuating mechanism drive transfer line (7) rotate, drive arc clamp splice (12) swing then, realize being close to and keeping away from of two arc clamp splices (12).
2. The shaft clamp according to claim 1, characterized in that:
the driving mechanism is a cylinder (3).
3. The shaft clamp according to claim 2, characterized in that:
the mounting base comprises a transverse mounting base (1) and a longitudinal mounting base (2) which are perpendicular to each other, and the longitudinal mounting base (2) is used for fixing the first rotating shaft (8).
4. The shaft clamp according to claim 3, wherein:
the clamping assembly further comprises a push rod (6), the upper end of a piston rod (5) of the air cylinder (3) is fixed with the middle of the push rod (6) and drives the push rod (6) to move up and down, and the push rod (6) is respectively connected with the lower ends of the two transmission rods (7) in a rotating mode.
5. The shaft clamp according to claim 4, wherein:
the push rod (6) comprises a horizontally arranged push rod main body and push rod supporting legs extending downwards from two ends of the push rod main body, a second rotating shaft (9) is arranged at the lower end of the transmission rod (7), and the push rod supporting legs are connected with the transmission rod (7) through the second rotating shaft (9).
6. The shaft clamp according to claim 3, wherein:
the hinge (11) is fixed on the excircle of the arc-shaped clamping block (12), a third rotating shaft (10) is arranged at the upper end of the transmission rod (7), and the hinge (11) is rotatably connected with the transmission rod (7) through the third rotating shaft (10).
7. The shaft clamp according to claim 6, wherein:
the inner circular surface of the arc-shaped clamping block (12) is provided with an arc-shaped gasket (13).
8. The shaft clamp according to claim 7, wherein:
the arc-shaped gasket (13) is made of copper.
9. The utility model provides a shaking table suitable for axle type test piece which characterized in that:
the shaft clamp comprises a vibration exciter (14), an expansion table top (15) and the shaft clamp as claimed in any one of claims 3 to 8 arranged on the expansion table top (15).
10. The vibrating table suitable for the shaft test pieces as set forth in claim 9, wherein:
the number of the shaft clamps is at least two, a plurality of mounting holes (16) are formed in the expansion table top (15), and the mounting holes (16) are used for being connected with the transverse mounting base (1) and adjusting the distance between the different shaft clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221104256.3U CN217384700U (en) | 2022-05-09 | 2022-05-09 | Shaft clamp and vibrating table with same and suitable for shaft test piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221104256.3U CN217384700U (en) | 2022-05-09 | 2022-05-09 | Shaft clamp and vibrating table with same and suitable for shaft test piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217384700U true CN217384700U (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221104256.3U Active CN217384700U (en) | 2022-05-09 | 2022-05-09 | Shaft clamp and vibrating table with same and suitable for shaft test piece |
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|---|---|
| CN (1) | CN217384700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296238A (en) * | 2023-05-22 | 2023-06-23 | 中国航发四川燃气涡轮研究院 | Probe clamping device for measuring fan-shaped flow field of turbine |
-
2022
- 2022-05-09 CN CN202221104256.3U patent/CN217384700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116296238A (en) * | 2023-05-22 | 2023-06-23 | 中国航发四川燃气涡轮研究院 | Probe clamping device for measuring fan-shaped flow field of turbine |
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